Home / 18,154.35-27,227.39-6,905.68

Finding the Fourth Proportional to 18,154.35, 27,227.39 and 6,905.68

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Solution

The fourth proportional to 18,154.35, 27,227.39 and 6,905.68 is: 10,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.35 : 27,227.39 = 6,905.68 : x
  2. Step 2: Convert to fraction form
    18,154.35/27,227.39 = 6,905.68/x
  3. Step 3: Cross multiply
    18,154.35x = 27,227.39 × 6,905.68
  4. Step 4: Simplify right side
    18,154.35x = 188,023,655.40
  5. Step 5: Solve for x
    x = 188,023,655.40/18,154.35
  6. Step 6: Final answer
    x = 10,356.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.